Here is a list of the main concepts and formulas you’ll need to know for the GRE. Each of these concepts is addressed in the Magoosh’s Complete Guide to Math Formulas. In this resource, you’ll also find recommended strategies for how to best use (or not use!) and remember these math formulas on the GRE.
Arithmetic and Number Properties
Types of Numbers
Order of Operations: PEMDAS
Commutative, Associative, and Distributive Properties